Rio Tinto and Glencore discuss potential merger
A $160 billion Rio Tinto-Glencore combination makes sense in a copper-centric world, but we've been here before.
Shares in the platinum and precious metals mining company rose as much as 6.4% at the start of the session to an intraday high of $4.98 before the broad market soured during Fed Chairman Bernanke’s second day of testimony on Capitol Hill.
